This case report from a Level 1 trauma center describes a novel surgical technique to remove a cannulated intramedullary nail, broken at the distal aspect, from the femur. We present a 40-year-old male who sustained a hardware failure, breaking his medullary nail at the distal aspect 7 weeks postoperatively while performing water aerobics. The broken implant was successfully extracted without complication, and a subsequent nail was exchanged. A benefit of this technique is avoiding a femoral osteotomy, which may prove useful for the unique and difficult case of distally broken nails.
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http://dx.doi.org/10.1155/cro/6220126 | DOI Listing |
Case Rep Orthop
February 2025
University of Nevada Las Vegas Department of Orthopaedics, University of Nevada, Las Vegas, Nevada, USA.
This case report from a Level 1 trauma center describes a novel surgical technique to remove a cannulated intramedullary nail, broken at the distal aspect, from the femur. We present a 40-year-old male who sustained a hardware failure, breaking his medullary nail at the distal aspect 7 weeks postoperatively while performing water aerobics. The broken implant was successfully extracted without complication, and a subsequent nail was exchanged.
View Article and Find Full Text PDFJ Cardiothorac Surg
February 2025
Prague Lung Transplant Program, 3rd Department of Surgery, First Faculty of Medicine, Charles University and Motol University Hospital, Prague, Czech Republic.
Background: Pulmonary hernia is a rare condition characterized by the protrusion of lung tissue through a chest wall defect. Trauma and thoracic surgery are the most common causes of acquired lung hernias. We present an unusual case of (sequential) bilateral lung herniation with parenchymal infarction after bilateral lobar lung transplantation.
View Article and Find Full Text PDFBMJ Case Rep
February 2025
Orthopedics, Dr. D Y Patil Medical College, Hospital and Research Centre, Dr. D Y Patil Vidyapeeth (Deemed to be University), Pune, Maharashtra, India.
A woman in her 40s presented with persistent left hip pain and restricted motion for 5 years. X-ray findings revealed an uncemented bipolar stem, tension band wiring of greater trochanter with K wires, a broken Shenton line and protrusion acetabuli. The patient previously underwent unsuccessful cancellous screws fixation for an intracapsular neck of femur fracture, leading to non-union and subsequent bipolar hemiarthroplasty outside our facility.
View Article and Find Full Text PDFBMC Oral Health
January 2025
Department of Endodontics, Faculty of Dentistry, Erciyes University, Kayseri, Turkey.
Background: This study assessed stress distributions in simulated mandibular molars filled with various materials after the removal of fractured instruments from the apical thirds of the root canals.
Methods: Finite element models of the mesial and distal root canals were created, where fractured instruments were assumed to be removed using a staging platform established with a modified Gates-Glidden bur (Woodpecker, Guangxi, P.R.
Nat Commun
January 2025
Institute for Research in Immunology and Cancer (IRIC), Université de Montréal, Montréal, QC, H3T 1J4, Canada.
Intense research on founding members of the RAS superfamily has defined our understanding of these critical signalling proteins, leading to the premise that small GTPases function as molecular switches dependent on differential nucleotide loading. The closest homologs of H/K/NRAS are the three-member RRAS family, and interest in the MRAS GTPase as a regulator of MAPK activity has recently intensified. We show here that MRAS does not function as a classical switch and is unable to exchange GDP-to-GTP in solution or when tethered to a lipid bilayer.
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